18393900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 64162560

約数和(自身を除く): 45768660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 461, 475, 525, 532, 570, 665, 700, 798, 922, 950, 1050, 1140, 1330, 1383, 1425, 1596, 1844, 1900, 1995, 2100, 2305, 2660, 2766, 2850, 3227, 3325, 3990, 4610, 5532, 5700, 6454, 6650, 6915, 7980, 8759, 9220, 9681, 9975, 11525, 12908, 13300, 13830, 16135, 17518, 19362, 19950, 23050, 26277, 27660, 32270, 34575, 35036, 38724, 39900, 43795, 46100, 48405, 52554, 61313, 64540, 69150, 80675, 87590, 96810, 105108, 122626, 131385, 138300, 161350, 175180, 183939, 193620, 218975, 242025, 245252, 262770, 306565, 322700, 367878, 437950, 484050, 525540, 613130, 656925, 735756, 875900, 919695, 968100, 1226260, 1313850, 1532825, 1839390, 2627700, 3065650, 3678780, 4598475, 6131300, 9196950, 18393900]

約数ペア:

[(1, 18393900), (2, 9196950), (3, 6131300), (4, 4598475), (5, 3678780), (6, 3065650), (7, 2627700), (10, 1839390), (12, 1532825), (14, 1313850), (15, 1226260), (19, 968100), (20, 919695), (21, 875900), (25, 735756), (28, 656925), (30, 613130), (35, 525540), (38, 484050), (42, 437950), (50, 367878), (57, 322700), (60, 306565), (70, 262770), (75, 245252), (76, 242025), (84, 218975), (95, 193620), (100, 183939), (105, 175180), (114, 161350), (133, 138300), (140, 131385), (150, 122626), (175, 105108), (190, 96810), (210, 87590), (228, 80675), (266, 69150), (285, 64540), (300, 61313), (350, 52554), (380, 48405), (399, 46100), (420, 43795), (461, 39900), (475, 38724), (525, 35036), (532, 34575), (570, 32270), (665, 27660), (700, 26277), (798, 23050), (922, 19950), (950, 19362), (1050, 17518), (1140, 16135), (1330, 13830), (1383, 13300), (1425, 12908), (1596, 11525), (1844, 9975), (1900, 9681), (1995, 9220), (2100, 8759), (2305, 7980), (2660, 6915), (2766, 6650), (2850, 6454), (3227, 5700), (3325, 5532), (3990, 4610)]